Related Manuals for HBM Genesis series
Summary of Contents for HBM Genesis series
- Page 1 Technical Note English GEN series 1 kV Input Cards GN610 and GN611 Isolation and Type Testing...
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Page 2: Categories According To Iec 61010-2-030:2010
Think of measurement of: circuit breakers, wiring, junction boxes etc. This category is expecting to have a minimum of two levels of over current protection between the transformer and connection point of the measurement. (See Figure 1.1). HBM public... - Page 3 5 sec at 2.210 V RMS and impulse 4.000 V. The maximum operating input voltage is 1000 V DC. This device is to be used to measure CAT II circuitry up to 600 V. HBM public...
- Page 4 GN610, GN611 Isolation and type testing WARNING Measurement inputs of this instrument should not be used to measure high-energy signals of measurement categories CAT II, CAT III or CAT IV (IEC 61010-2-30:2010) (e.g. mains measurements) , unless specifically stated for the specific input. HBM public...
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Page 5: Basic Versus Reinforced Insulation
As one can see below basic insulation + supplementary insulation is a possibility but also reinforced isolation is a means of protection. The test voltages are different per means as can be found in the above table. HBM public... - Page 6 5 s at 3.510 V RMS and impulse 6.400 V. The maximum operating input voltage is 1000 V DC. This device is to be used to measure CAT II circuitry up to 600 V. HBM public...
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Page 7: Isolation And Input Of The Gn610, Gn611
Figure 2.1: Isolation 1kV card overview The isolation between channel and chassis is classified as REINFORCED. This can be seen as double isolation, which is necessary because the chassis might be accessible (conductive parts can be touched) to users (personal safety). HBM public... - Page 8 GN610, GN611 Isolation and type testing Isolation between channels is BASIC, since a channel is not accessible and there is therefore no direct risk for a user (product safety). REINFORCED or DOUBLE isolation has higher test values than BASIC isolation. HBM public...
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Page 9: Channel To Chassis Isolation Test
600 V CAT II REINFORCED, the test value for 1000 V RMS is lower and therefore also covered with this test. Tests are conducted for one minute, see IEC61010 for details. Figure 3.1: AC Type test Channel to Chassis HBM public... - Page 10 GN610, GN611 Isolation and type testing Figure 3.2: DC Type test Channel to Chassis HBM public...
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Page 11: Channel To Channel Isolation Test
The test value meets the requirements for 600 V CAT II REINFORCED, the value for 2000 V RMS BASIC is lower and therefore also covered with this test. Tests are conducted for one minute, see IEC61010-1 for details. Figure 3.3: DC Type test Channel to Channel HBM public... - Page 12 GN610, GN611 Isolation and type testing Figure 3.4: AC Type test Channel to Channel HBM public...
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Page 13: High Potential Test
The inputs of channel 2, 4 and 6 are tested using a 1500 V RMS common mode signal with ground attached to chassis ground and the inputs of channel 1, 3 and 5 all connected to chassis ground. Figure 4.1: Hipot testing channels 1, 3 and 5 HBM public... - Page 14 GN610, GN611 Isolation and type testing Figure 4.2: Hipot testing channels 2, 4 and 6 HBM public...
- Page 15 GN610, GN611 Isolation and type testing 5 Engineering tests Overview Besides the type tests and the production tests, HBM has also performed several engineering tests to verify the robustness of the design during the engineering design qualification phase. Component tests Every component crossing the isolation barrier is tested and/or examined to make sure it will pass the type test.
- Page 16 This test is done with the highest input range (± 1000 V) and also repeated with the lowest input range (± 20 mV), both with an input voltage of 1000 V and repeated for over 1000 times. These tests all passed successfully. Figure 5.2: Engineering test input switching HBM public...
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Page 17: Gn610 And Gn611 Input Overload Protection
Secondly, within the lower ranges of the amplifier (≤ ± 5 V ranges) the input section will start switching to disconnect from the input signal to reduce the power dissipated. HBM public... - Page 18 10 for a second, third or how many times required to reach a safe condition not to increase local temperature anymore. HBM public...
- Page 19 GEN series system. Maximum and critical temperature conditions are defined as such that it is very unlikely the system will ever reach this critical condition when operating within its specified conditions. HBM public...
- Page 20 So the actual overload condition might not have disappeared yet. If this would be the case, the thermal increase would re-trigger the automatic range adaption process and the overload is handled exactly the same way as before. HBM public...
- Page 21 In case the overload condition is permanent, the system keeps on automatic ranging to reduce the dissipated heat, then restores the user selected range with the effect of overheating again therefore restarting the automatic ranging process again. This cycle will repeat forever until the overload condition disappears. HBM public...
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Page 22: Table Of Contents
Channel to chassis isolation test ......9 GN610 and GN611 Input Overload protection ..17 GN610, GN611 Protection mechanisms Overvoltage and current protection ....17 High potential test ..........13 Isolation and input of the GN610, GN611 ....7 Measurement categories ........2 HBM public... - Page 24 Im Tiefen See 45 64293 Darmstadt Germany Tel: +49 6151 8030 Email: info@hbm.com France HBM France SAS 46 rue du Champoreux BP76 91542 Mennecy Cedex Tél:+33 (0)1 69 90 63 70 Fax: +33 (0) 1 69 90 63 80 Email: info@fr.hbm.com...